What is the cheapest airline that flies from Washington, D.C. to Perth?

Philippine Airlines, Qantas Airways, and Singapore Airlines are the most popular carriers operating from Washington, D.C. to Perth

How long does it take to fly to Perth?

Average flight duration from Washington, D.C. to Perth depends on which airport you fly into and out of. Flying from Washington, D.C. to Perth is 29h 02m on average, while flying from Baltimore to Perth is 29h 13m on average. Perth is the most popular airport in Perth.

When did momondo last update prices for flights from Washington, D.C. to Perth Airport?

Prices for flights from Washington, D.C. to Perth Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. to Perth Airport?

The number of operators available for flights from Washington, D.C. to Perth Airport is 1 as of July 2025.

How old do you have to be to fly from Washington, D.C. to Perth Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Perth Airport.

What documentation or ID do you need to fly to Perth Airport?

The travel and health documents required for your trip to Perth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Perth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$784 Cheap Flights from Washington, D.C. to Perth in 2025

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Find the cheapest flights from Washington, D.C. to Perth

Round-trip

One-way

Cheap round-trip flights

9:00 pm - 7:50 pmIAD-PER

34h 50m2 stops

5:10 am - 3:40 pmPER-IAD

46h 30m2 stops

$1,389

Find Deal

Sun, Sep 7 - Wed, Sep 10

5:45 am - 5:10 pmBWI-PER

47h 25m3 stops

8:30 pm - 6:54 amPER-BWI

46h 24m3 stops

$1,439

Find Deal

Sat, Aug 23 - Sat, Aug 30

7:19 pm - 3:25 pmBWI-PER

32h 06m2 stops

11:55 pm - 11:04 pmPER-BWI

35h 09m2 stops

$1,576Qantas Airways

Find Deal

Sat, Aug 2 - Sat, Aug 30

11:23 am - 6:40 pmBWI-PER

43h 17m2 stops

10:45 pm - 10:42 pmPER-BWI

35h 57m2 stops

$1,611Qatar Airways

Find Deal

Mon, Sep 15 - Mon, Sep 22

6:45 am - 10:40 pmDCA-PER

27h 55m2 stops

12:10 am - 7:58 pmPER-DCA

31h 48m2 stops

$1,692Cathay Pacific

Find Deal

Mon, Sep 15 - Sun, Sep 21

6:45 am - 10:40 pmDCA-PER

27h 55m2 stops

9:15 am - 7:58 pmPER-DCA

46h 43m2 stops

$1,708Cathay Pacific

Find Deal

Mon, Sep 15 - Mon, Sep 22

5:40 pm - 1:35 pmIAD-PER

31h 55m2 stops

6:20 am - 10:45 pmPER-IAD

28h 25m2 stops

$1,930Qantas Airways

Find Deal

Mon, Sep 15 - Mon, Sep 22

8:55 am - 2:40 pmBWI-PER

41h 45m2 stops

11:45 pm - 10:45 pmPER-BWI

35h 00m3 stops

$1,953United Airlines

Find Deal

Fri, Aug 22 - Fri, Aug 29

6:55 pm - 11:40 amBWI-PER

28h 45m2 stops

11:45 pm - 10:45 pmPER-BWI

35h 00m3 stops

$1,954United Airlines

Find Deal

Fri, Aug 22 - Fri, Aug 29

9:00 pm - 11:55 amIAD-PER

26h 55m1 stop

10:45 pm - 3:40 pmPER-IAD

28h 55m1 stop

$2,023Qatar Airways

Find Deal

Mon, Sep 15 - Mon, Sep 22

Qantas Airways flights from Washington, D.C. to Perth

Our best Qantas Airways deals on Washington, D.C. to Perth flight tickets

Qantas Airways

Aug 2

BWI7:19 pmBaltimore/Washington

32h 06m

2 stops

PER3:25 pmPerth

Aug 30

PER11:55 pmPerth

35h 09m

2 stops

BWI11:04 pmBaltimore/Washington

$1,576

Find similar

Qantas Airways

Sep 15

IAD5:40 pmWashington, D.C. Dulles Intl

31h 55m

2 stops

PER1:35 pmPerth

Sep 22

PER6:20 amPerth

28h 25m

2 stops

IAD10:45 pmWashington, D.C. Dulles Intl

$1,930

Find similar

Qantas Airways

Nov 5

IAD5:16 pmWashington, D.C. Dulles Intl

38h 59m

2 stops

PER9:15 pmPerth

Dec 29

PER2:30 pmPerth

44h 44m

2 stops

IAD10:14 pmWashington, D.C. Dulles Intl

$2,058

Find similar

Qatar Airways flights from Washington, D.C. to Perth

Our best Qatar Airways deals on Washington, D.C. to Perth flight tickets

Qatar Airways

Sep 15

BWI11:23 amBaltimore/Washington

43h 17m

2 stops

PER6:40 pmPerth

Sep 22

PER10:45 pmPerth

35h 57m

2 stops

BWI10:42 pmBaltimore/Washington

$1,611

Find similar

Qatar Airways

Sep 15

IAD9:00 pmWashington, D.C. Dulles Intl

26h 55m

1 stop

PER11:55 amPerth

Sep 22

PER10:45 pmPerth

28h 55m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$2,023

Find similar

Qatar Airways

Oct 17

IAD9:00 pmWashington, D.C. Dulles Intl

33h 40m

1 stop

PER6:40 pmPerth

Oct 31

PER12:15 pmPerth

40h 40m

2 stops

IAD4:55 pmWashington, D.C. Dulles Intl

$2,036

Find similar

How to get the cheapest flight ticket from Washington, D.C. to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Perth?

In general, June is the cheapest month to fly from Washington, D.C. to Perth. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,215. If you are unable to visit Perth during the month of June, then departing from Washington, D.C. during the month March is also very affordable. Most momondo users find prices during this month for around $1,222.

What is the cheapest day to depart on your flight to Perth?

The cheapest day to depart on your flight to Perth is on a Monday when prices can be found for as low as $1,785. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Perth is Thursday, with ticket prices averaging around $2,395.

What is the cheapest time of day to depart on your flight to Perth?

In the afternoon is the cheapest time of day to fly from Washington, D.C. to Perth when you can find flight prices for as low as $1,863. Flying to Perth in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $2,119. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Washington, D.C. to Perth

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Perth according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to Perth (WAS to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Perth

Best Price Found	$784
Fastest flight time	26h 10m
Direct flights	None
Airports in Perth	1 airport

The best one-way flight to Perth from Washington, D.C. in the past 72 hours is $784. The best round-trip flight deal from Washington, D.C. to Perth found on momondo in the last 72 hours is $1,389.

The fastest flight from Washington, D.C. to Perth takes 26h 10m

There are no direct flights from Washington, D.C. to Perth. Popular non-direct routes for this connection are Baltimore/Washington Airport - Perth Airport, Washington, D.C. Dulles Intl Airport - Perth Airport and Washington, D.C. Reagan-National Airport - Perth Airport.

There is 1 airport near Perth: Perth (PER)

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How far is Washington, D.C. to Perth by plane?
The straight-line distance from Washington, D.C. to Perth is 11559.6 mi. 26h 10m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. to Perth Airport?
Prices for flights from Washington, D.C. to Perth Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Perth Airport?
The number of operators available for flights from Washington, D.C. to Perth Airport is 1 as of July 2025.
How old do you have to be to fly from Washington, D.C. to Perth Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Perth Airport.
What documentation or ID do you need to fly to Perth Airport?
The travel and health documents required for your trip to Perth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Perth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Washington, D.C. to Perth?
Based on momondo bookings for flights between Washington, D.C. and Perth, the leading airline is Qantas Airways, making up 35% of the total bookings. Other popular airlines include Qatar Airways with 28%, American Airlines with 21%, and United Airlines with 16%.

Best airlines flying from Washington, D.C. to Perth

Compare and see reviews for airlines that fly from Washington, D.C. to Perth with momondo

Airline	Rating	Free Cancellation	Price
Qantas Airways	PriceFrom $1,097	Free Cancellation	Rating 7.5 876 reviews		Search Qantas Airways flights

Mandurah

Fremantle

Scarborough

Rottnest Island

Waikiki

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Perth?

It is quick and easy to find Washington, D.C. to Perth flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Perth that suits you.

Can I find flights from Washington, D.C. to Perth with flexible booking policies on momondo?

Flights from Washington, D.C. to Perth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Perth?

Once you have performed a search for Washington, D.C. to Perth flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Perth right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Perth, momondo offers a useful price alert feature which will track prices for flights to Perth from Washington, D.C. and alert you when they change.

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Cheap flights from Washington, D.C. to Perth from $784

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Perth departing on 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from Washington, D.C. to Perth

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Cheap one-way flights

Qantas Airways flights from Washington, D.C. to Perth

Our best Qantas Airways deals on Washington, D.C. to Perth flight tickets

Qatar Airways flights from Washington, D.C. to Perth

Our best Qatar Airways deals on Washington, D.C. to Perth flight tickets

See travel insights to Perth from

How to get the cheapest flight ticket from Washington, D.C. to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Perth?

What is the cheapest day to depart on your flight to Perth?

The cheapest day to depart on your flight to Perth is on a Monday when prices can be found for as low as $1,785. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Perth is Thursday, with ticket prices averaging around $2,395.

What is the cheapest time of day to depart on your flight to Perth?

What is the cheapest airline that flies from Washington, D.C. to Perth?

Philippine Airlines, Qantas Airways, and Singapore Airlines are the most popular carriers operating from Washington, D.C. to Perth

How long does it take to fly to Perth?

Average flight duration from Washington, D.C. to Perth depends on which airport you fly into and out of. Flying from Washington, D.C. to Perth is 29h 02m on average, while flying from Baltimore to Perth is 29h 13m on average. Perth is the most popular airport in Perth.

When to book flights from Washington, D.C. to Perth

Cheap Washington, D.C. to Perth (WAS to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Perth

Best Price Found

Fastest flight time

Direct flights

Airports in Perth

How far is Washington, D.C. to Perth by plane?

When did momondo last update prices for flights from Washington, D.C. to Perth Airport?

How many operators does momondo search for flights from Washington, D.C. to Perth Airport?

How old do you have to be to fly from Washington, D.C. to Perth Airport?

What documentation or ID do you need to fly to Perth Airport?

What is the most popular airline from Washington, D.C. to Perth?

Best airlines flying from Washington, D.C. to Perth

Compare and see reviews for airlines that fly from Washington, D.C. to Perth with momondo

Traveling to a place near Perth?

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Perth?

Can I find flights from Washington, D.C. to Perth with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Perth?

I’m not ready to book a flight from Washington, D.C. to Perth right now. Can momondo alert me if prices change?

An easier way to manage your Perth trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing Western Australia